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Peripheral blood morphology

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https://www.readbyqxmd.com/read/28518476/adult-onset-chronic-cyclic-thrombocytopenia-in-a-rhesus-macaque-macaca-mulatta-after-dengue-virus-vaccination-and-viral-challenge
#1
Galit H Frydman, Kelly A Metcalf Pate, Robert P Marini, Armelle M de Laforcade, Irene Bosch, Vasudevan Bakthavatchalu, Sureshkumar Muthupalani, Alton G Swennes, Claire E Lyons, Ronald G Tompkins, James G Fox
An 8-year-old, male Rhesus macaque (Macaca mulatta), previously used for dengue virus (DENV) vaccine research with viral challenge, was presented with adult-onset, chronic, cyclic thrombocytopenia. Platelet number, morphology, and function were evaluated by automated hematology, peripheral blood smears, electron microscopy, flow cytometry, and impedance aggregometry. Bone marrow was evaluated by cytology. Both serum anti-dengue nonstructural protein 1 (NS1) antibodies and anti-platelet antibodies were detected by ELISA...
May 18, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28516389/microenvironmental-scenario-of-the-bone-marrow-of-inorganic-arsenic-exposed-experimental-mice
#2
Jacintha Archana Pereira, Sujata Law
Exposure to arsenic on a regular basis, mainly through drinking water, agricultural pesticide, and sometimes therapeutic dose, results in various diseases of different tissues including the bone marrow hematopoietic system. Hematopoiesis is a dynamic process by which bone marrow (BM) hematopoietic stem/progenitor cells (HSPCs) generate a relatively constant pool of functionally mature blood cells by the support of microenvironmental components. The present study has been aimed to understand stem cell microenvironmental status during arsenic toxicity and the consequent reflection of dysregulation involving the hematopoietic machinery in experimental mice...
May 17, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28513999/microparticles-of-healthy-origins-improve-endothelial-progenitor-cell-dysfunction-via-microrna-transfer-in-an-atherosclerotic-hamster-model
#3
Nicoleta Alexandru, Eugen Andrei, Loredan Niculescu, Emanuel Dragan, Violeta Ristoiu, Adriana Georgescu
AIM: In this study we aimed: (1) to obtain and functionally characterize the cultures of late endothelial progenitor cells (EPCs) from the animal blood; (2) to investigate the potential beneficial effects of circulating microparticles (MPs) of healthy origins on EPC dysfunctionality in atherosclerosis as well as involved mechanisms. METHODS: Late EPCs were obtained and expanded in culture from peripheral blood isolated from two animal groups: hypertensive-hyperlipidemic (HH) and control (C) hamsters...
May 17, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28502902/retinoic-acid-mediated-anti-inflammatory-responses-in-equine-immune-cells-stimulated-by-lps-and-allogeneic-mesenchymal-stem-cells
#4
Leila Abdelhamid, Hayam Hussein, Mostafa Ghanem, Nour Eissa
Retinoic acid (RA), an active metabolite of vitamin A, has shown potential therapeutic immunomodulatory properties. Allogeneic mesenchymal stem cells (MSCs)-based therapy is an effective approach to induce tissue healing and regeneration in many equine orthopedic conditions. However, MSCs-based therapies induced inflammatory responses in vivo. This study aimed to: 1. Determine the effect of RA cell culture treatment on inflammatory responses of lipopolysaccharides (LPS)- and allogeneic MSCs-stimulated peripheral blood mononuclear cells (PBMCs)...
May 5, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28487990/inhibition-of-btk-protects-lungs-from-trauma-hemorrhagic-shock-induced-injury-in-rats
#5
Xinwei Liu, Jingdong Zhang, Wenfeng Han, Yu Wang, Yunen Liu, Yubiao Zhang, Dapeng Zhou, Liangbi Xiang
The present study aimed to investigate the role of Bruton's tyrosine kinase (BTK) in the pathogenesis of lung injury induced by trauma‑hemorrhagic shock (THS), and to examine the pulmonary protective effects of BTK inhibition. Male Sprague‑Dawley rats were divided into four groups (n=12/group): i) A Sham group, which received surgery without induced trauma; ii) a THS‑induced injury group; iii) a THS‑induced injury group that also received treatment with the BTK inhibitor LFM‑A13 prior to trauma induction; and iv) a Sham group that was pretreated with LFM‑A13 prior to surgery but did not receive induced trauma...
May 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28486142/the-age-related-expression-decline-of-ercc1-and-xpf-for-forensic-age-estimation-a-preliminary-study
#6
Xiao-Dong Deng, Qin Gao, Wei Zhang, Bo Zhang, Ying Ma, Li-Xia Zhang, Cheer Muer, Ying Xie, Yun Liu
The age-related capacity decline of DNA damage repair in human peripheral blood has been demonstrated. Excision repair cross-complementation group1 (ERCC1) and Xeroderma pigmentosum complementation group F (XPF) were rate-limiting enzyme in nucleotide excision repair (NER) which was known as the most important DNA damage repair system. Consequently, we hypothesized that the expression and/or activity of ERCC1 and XPF may be associated with age. However, little was known about the quantitative relationship of ERCC1 and XPF expression levels with age...
May 3, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28481019/the-frequency-of-occurrence-of-atypical-lymphocytes-in-peripheral-blood-smears-of-natalizumab-treated-patients-with-multiple-sclerosis
#7
C Robier, O Amouzadeh-Ghadikolai, C Bregant, J Diez, K Melinz, F Quehenberger, S Quasthoff
INTRODUCTION: Aside from the extensive published data on immunophenotypic lymphocyte subsets in natalizumab-treated patients with multiple sclerosis (MS), an impact of natalizumab on lymphocyte morphology has rarely been studied. As patients treated with immunomodulating or immunosuppressive drugs are at risk for infectious disorders such as viral infections, knowledge of drug-derived changes in lymphocyte morphology may be beneficial in the diagnostic work-up in such clinical situations...
May 8, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28475434/enhancing-acute-myeloid-leukemia-therapy-monitoring-response-using-residual-disease-testing-as-a-guide-to-therapeutic-decision-making
#8
Benjamin Tomlinson, Hillard M Lazarus
Current standards for monitoring the response of acute myeloid leukemia (AML) are based on morphologic assessments of the bone marrow and recovery of peripheral blood counts. A growing experience is being developed to enhance the detection of small amounts of AML, or minimal residual disease (MRD). Areas covered: Available techniques include multi-color flow cytometry (MFC) of leukemia associated immunophenotypes (LAIP), quantitative reverse transcriptase polymerase chain reaction (QRT-PCR) for detecting fusion and mutated genes (RUNX1-RUNX1T1, CBFB-MYH11, and NPM1), overexpression of genes such as WT1, and next generation sequencing (NGS) for MRD...
May 12, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28474815/probiotic-supplementation-promotes-a-reduction-in-t-cell-activation-an-increase-in-th17-frequencies-and-a-recovery-of-intestinal-epithelium-integrity-and-mitochondrial-morphology-in-art-treated-hiv-1-positive-patients
#9
Gabriella d'Ettorre, Giacomo Rossi, Carolina Scagnolari, Mauro Andreotti, Noemi Giustini, Sara Serafino, Ivan Schietroma, Giuseppe Corano Scheri, Saeid Najafi Fard, Vito Trinchieri, Paola Mastromarino, Carla Selvaggi, Silvia Scarpona, Gianfranco Fanello, Fausto Fiocca, Giancarlo Ceccarelli, Guido Antonelli, Jason M Brenchley, Vincenzo Vullo
INTRODUCTION: HIV infection is characterized by a persistent immune activation associated to a compromised gut barrier immunity and alterations in the profile of the fecal flora linked with the progression of inflammatory symptoms. The effects of high concentration multistrain probiotic (Vivomixx®, Viale del Policlinico 155, Rome, Italy in EU; Visbiome®, Dupont, Madison, Wisconsin in USA) on several aspects of intestinal immunity in ART-experienced HIV-1 patients was evaluated. METHODS: A sub-study of a longitudinal pilot study was performed in HIV-1 patients who received the probiotic supplement twice a day for 6 months (T6)...
April 20, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28474283/hucmncs-protect-vascular-endothelium-and-prevent-isr-after-endovascular-interventional-therapy-for-vascular-diseases-in-t2dm-rabbits
#10
Haixia Ding, Tong Zhang, Yaping Du, Bei Liu, Yueqin Liu, Fujun Wang
The therapeutic effect of transplantation of human umbilical cord blood cell-derived mononuclear cells (HUCMNCs) on treating in-stent restenosis (ISR) after endovascular interventional therapy (EIT) was evaluated in preclinical rabbit model of type 2 diabetes mellitus (T2DM)-related peripheral artery disease (PAD). HUCMNCs were transplanted to T2DM rabbits subjected to femoral artery occlusion surgery and received EIT. Serum concentration of soluble vascular endothelial cadherin (VE-cad) and plasma concentration of lipoprotein-associated phospholipase A2 (Lp-PLA2) were determined with enzyme-linked immunosorbent assay before and after the transplantation...
May 4, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28462492/interaction-of-silver-and-gold-nanoparticles-in-mammalian-cancer-as-real-topical-bullet-for-wound-healing-a-comparative-study
#11
Allur Subramaniyan Sivakumar, Chandran Krishnaraj, Sunirmal Sheet, Dileep Reddy Rampa, Da Rae Kang, Shah Ahmed Belal, Abhay Kumar, In Ho Hwang, Soon-Il Yun, Yang Soo Lee, Kwan Seob Shim
The present study evaluates in vitro cytotoxic effects and the mode of interaction of biologically synthesized Ag and Au nanoparticles (NPs) using Brassica oleracea L. var. capitata f. rubra (BOL) against HT-1080 cancer cells and bacterial cells as well as their wound healing efficacy using a mouse model. UV-visible spectroscopy, scanning electron microscopy, high-resolution transmission electron microscopy, and energy-dispersive X-ray analysis have ascertained the formation of nano-sized Ag and Au particles...
May 1, 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28458579/mentha-arvensis-linn-mediated-green-silver-nanoparticles-trigger-caspase-9-dependent-cell-death-in-mcf7-and-mda-mb-231-cells
#12
Prajna Paramita Banerjee, Arindam Bandyopadhyay, Singapura Nagesh Harsha, Rudragoud S Policegoudra, Shelley Bhattacharya, Niranjan Karak, Ansuman Chattopadhyay
INTRODUCTION: Leaf extract of Mentha arvensis or mint plant was used as reducing agent for the synthesis of green silver nanoparticles (GSNPs) as a cost-effective, eco-friendly process compared to that of chemical synthesis. The existence of nanoparticles was characterized by ultraviolet-visible spectrophotometry, dynamic light scattering, Fourier transform infrared spectroscopy, X-ray diffraction, energy-dispersive X-ray analysis, atomic-force microscopy and transmission electron microscopy analyses, which ascertained the formation of spherical GSNPs with a size range of 3-9 nm...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28447427/the-utility-of-peripheral-blood-smear-review-for-identifying-specimens-for-flow-cytometric-immunophenotyping
#13
REVIEW
F E Craig
Laboratory professionals are in an ideal situation to identify CBC and peripheral blood smear findings that raise the possibility of a hematolymphoid neoplasm, and based on this information make recommendations for additional studies, such as flow cytometric immunophenotyping. In some circumstances a definitive diagnosis can be established from the combined peripheral blood morphologic and immunophenotypic findings obviating the need for bone marrow evaluation, such as for chronic lymphocytic leukemia. Occasionally flow cytometric studies are superior to morphologic assessment, such as in screening for hairy cell leukemia or identifying lymphocytic-variant hypereosinophilia...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28447424/does-morphology-matter-in-2017-an-approach-to-morphologic-clues-in-non-neoplastic-blood-and-bone-marrow-disorders
#14
REVIEW
D S Chabot-Richards, K Foucar
Numerous non-neoplastic and neoplastic conditions manifest with distinctive features in blood. Although automated complete blood count (CBC) data are essential, CBC information alone is insufficient for diagnosis. Consequently, morphologic review of blood smears is still relevant in the era of sophisticated automated analyzer systems. Pathologist interpretation of the peripheral blood smear, in conjunction with CBC and clinical information, can provide rapid diagnostic information and guide cost-effective targeted laboratory testing...
May 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28445506/phenotype-function-and-differentiation-potential-of-human-monocyte-subsets
#15
Lisa B Boyette, Camila Macedo, Kevin Hadi, Beth D Elinoff, John T Walters, Bala Ramaswami, Geetha Chalasani, Juan M Taboas, Fadi G Lakkis, Diana M Metes
Human monocytes have been grouped into classical (CD14++CD16-), non-classical (CD14dimCD16++), and intermediate (CD14++CD16+) subsets. Documentation of normal function and variation in this complement of subtypes, particularly their differentiation potential to dendritic cells (DC) or macrophages, remains incomplete. We therefore phenotyped monocytes from peripheral blood of healthy subjects and performed functional studies on high-speed sorted subsets. Subset frequencies were found to be tightly controlled over time and across individuals...
2017: PloS One
https://www.readbyqxmd.com/read/28445424/the-effect-of-deoxynivalenol-on-selected-populations-of-immunocompetent-cells-in-porcine-blood-a-preliminary-study
#16
Michał Dąbrowski, Ewa Jakimiuk, Mirosław Baranowski, Magdalena Gajęcka, Łukasz Zielonka, Maciej Tadeusz Gajęcki
Deoxynivalenol (DON) is one of the most prevalent mycotoxins in Europe. Pigs are an animal species that is most susceptible to this mycotoxin. Deoxynivalenol causes significant losses in pig production by lowering feed intake, decreasing daily weight gains, disrupting immune responses, and increasing susceptibility to diseases. The aim of this experiment was to determine the influence of feed contaminated with DON at concentrations insignificantly higher than recommended by the European Commission (900 µg/kg)...
April 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28437437/use-of-short-interfering-rna-delivered-by-cationic-liposomes-to-enable-efficient-down-regulation-of-ptpn22-gene-in-human-t-lymphocytes
#17
Valentina Perri, Marsha Pellegrino, Francesca Ceccacci, Anita Scipioni, Stefania Petrini, Elena Gianchecchi, Anna Lo Russo, Serena De Santis, Giovanna Mancini, Alessandra Fierabracci
Type 1 diabetes and thyroid disease are T cell-dependent autoimmune endocrinopathies. The standard substitutive administration of the deficient hormones does not halt the autoimmune process; therefore, development of immunotherapies aiming to preserve the residual hormonal cells, is of crucial importance. PTPN22 C1858T mutation encoding for the R620W lymphoid tyrosine phosphatase variant, plays a potential pathophysiological role in autoimmunity. The PTPN22 encoded protein Lyp is a negative regulator of T cell antigen receptor signaling; R620W variant, leading to a gain of function with paradoxical reduced T cell activation, may represent a valid therapeutic target...
2017: PloS One
https://www.readbyqxmd.com/read/28422420/a-study-of-disseminated-intravascular-coagulation-in-acute-leukemia-reveals-markedly-elevated-d-dimer-levels-are-a-sensitive-indicator-of-acute-promyelocytic-leukemia
#18
N Shahmarvand, J S Oak, M J Cascio, M Alcasid, E Goodman, B C Medeiros, D A Arber, J L Zehnder, R S Ohgami
INTRODUCTION: While the presence of disseminated intravascular coagulation (DIC) has been implicated in worse clinical outcome in acute leukemia, the relationship between different subtypes of acute leukemia and the clinicopathologic features of DIC has not been systematically well studied. METHODS: In this study, we retrospectively reviewed 149 cases of newly diagnosed acute leukemia and assessed the utility of evaluating red blood cell morphologic features, and coagulation parameters in determining the presence of DIC as well as differentiating subtypes of acute leukemia...
April 19, 2017: International Journal of Laboratory Hematology
https://www.readbyqxmd.com/read/28420865/a-novel-variant-t-1-22-translocation-ins-22-1-q13-p13p31-in-a-child-with-acute-megakaryoblastic-leukemia
#19
Elizabeth Margolskee, Jad Saab, Julia T Geyer, Alexander Aledo, Susan Mathew
BACKGROUND The reciprocal translocation t(1;22)(p13;q13) involving the RBM15 and MKL1 genes is an uncommon abnormality that occurs in a subset of acute myeloid leukemia with megakaryocytic differentiation (AMKL). Variant translocations have been infrequently described in this subtype of leukemia. CASE REPORT We describe the case of a 3-month-old girl who presented with progressive abdominal distension, vomiting, and fever. Although there was no morphologic evidence of leukemia in the bone marrow, cytogenetic and metaphase fluorescence in situ hybridization analysis identified an insertion of p13p31 bands of chromosome 1 onto the long arm of chromosome 22, resulting in the karyotype: 46,XX,ins(22;1)(q13;p13p31)...
April 19, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28420290/peripheral-blood-smear-beyond-routine-morphology
#20
Irneet Mundi, Ritu Pankaj, Rajeev Bedi, Anita Sharma, Meenakshi Malhotra
No abstract text is available yet for this article.
January 1, 2017: Tropical Doctor
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